Ecomass® 4710BI71 Filled Polyurethane, Injection Molding

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Ecomass® 4710BI71 Filled Polyurethane, Injection Molding
Categories:	Polymer; Thermoplastic; Polyurethane, TP
Material Notes:	Moderate Specific Gravity, Filled Polyurethane (TPU), Good Flexibility, Product Form - Pellets Processing Method: Injection Molding Nontoxic alternative to Lead for weighting, balancing and vibration dampening applications Information provided by Technical Polymers.
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Physical Properties	Metric	English	Comments

Specific Gravity	2.50 g/cc	2.50 g/cc	ASTM D792
Linear Mold Shrinkage	0.0060 - 0.0080 cm/cm	0.0060 - 0.0080 in/in	ASTM D955

Mechanical Properties	Metric	English	Comments
Tensile Strength	20.0 MPa	2900 psi	ASTM D638
Elongation at Break	220 %	220 %	ASTM D638
Tensile Modulus	0.552 GPa	80.0 ksi	ASTM D638
Flexural Strength	44.1 MPa	6400 psi	ASTM D790
Flexural Modulus	0.169 GPa	24.5 ksi	ASTM D790
Izod Impact, Notched	2.46 J/cm	4.60 ft-lb/in	ASTM D256

Processing Properties	Metric	English	Comments
Melt Temperature	204 - 221 °C	400 - 430 °F
Mold Temperature	10.0 - 26.7 °C	50.0 - 80.0 °F
Drying Temperature	82.2 °C	180 °F	do not over dry
Dry Time	2 hour	2 hour

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PECOM919 / 133732

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